Pyrite is the stone of luck. It is often referred to as "Fool's Gold". This crystal is very protective from negative energy. It is said to influence its holder with willpower, focus, prosperity and persistence.
These Raw Pyrite Crystals are about 1/4" tall and 1/4" wide for the 2 for $1 deal and about 1/8" tall and 1/8" wide for the XXS 5 for $1 deal.